Home / 238,738.83-329,349.13-143,079.45

Finding the Fourth Proportional to 238,738.83, 329,349.13 and 143,079.45

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Solution

The fourth proportional to 238,738.83, 329,349.13 and 143,079.45 is: 197,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,738.83 : 329,349.13 = 143,079.45 : x
  2. Step 2: Convert to fraction form
    238,738.83/329,349.13 = 143,079.45/x
  3. Step 3: Cross multiply
    238,738.83x = 329,349.13 × 143,079.45
  4. Step 4: Simplify right side
    238,738.83x = 47,123,092,378.38
  5. Step 5: Solve for x
    x = 47,123,092,378.38/238,738.83
  6. Step 6: Final answer
    x = 197,383.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.